package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.mapper.DishMapper;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.Collections;
import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Api(tags="菜品相关接口")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */

    @PostMapping
    @ApiOperation("新增菜品")
    public Result<String> save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}",dishDTO);
        dishService.saveWithFlavors(dishDTO);

        //////////////////////////////
        //缓存优化----清理缓存
        String key="dish_"+dishDTO.getCategoryId();
        redisTemplate.delete(key);
        /////////////////////////////

        return Result.success();
    }

    /**
     * 菜品分页查询
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询，{}",dishPageQueryDTO);
        PageResult pageResult=dishService.page(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 删除菜品
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation("删除菜品")
    public Result<String> delete(@RequestParam List<Long> ids){
        log.info("删除菜品ID有：{}",ids);
        dishService.delectBatch(ids);

        //////////////////////////////////////

        //缓存优化---清理缓存---全部删除缓存
        Set keys = redisTemplate.keys("dish_*");
        redisTemplate.delete(keys);

        //////////////////////////////////////

        return Result.success();
    }

    /**
     * 根据id查询菜品及味道并封装为DishVO类(回显)
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id,{},查询菜品",id);
        DishVO dishVO=dishService.getByIdWithFalvor(id);
        return Result.success(dishVO);
    }

    /**
     * 修改菜品
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation(("修改菜品"))
    public Result<String> update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品,{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);

        //////////////////////////////////////////////////////

        //修改菜品,可能改变菜品分类---要改变两个redis.key(间接清理全部)
        //缓存优化----清理缓存----清理全部
        Set keys = redisTemplate.keys("dish_*");
        redisTemplate.delete(keys);

        //////////////////////////////////////////////////////
        return Result.success();
    }

    /**
     * 菜品起售及停售
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    @ApiOperation("菜品起售及停售")
    public Result<String> startOrStop(@PathVariable Integer status,Long id){
        log.info("菜品{},起售OR停售",id);
        dishService.startOrStop(status,id);

        //////////////////////////////////////////

        //如若只修改一次，还需调用Mapper接口查询caategory，不如全部删除
        Set keys = redisTemplate.keys("dish_*");
        redisTemplate.delete(keys);

        ///////////////////////////////////////////

        return Result.success();
    }

    /**
     *根据分类id查询菜品，用于下拉列表
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        List<Dish> dish= dishService.list(categoryId);
        return Result.success(dish);
    }
}
